The Estonian Defense League, which organizes the events, requires its 25,400 volunteers to turn out occasionally for weekend training sessions that have taken on a serious hue since Russia's incursions in Ukraine two years ago raised fears of a similar thrust by Moscow into the Baltic States.
Estonia, a NATO member with a population of 1.3 million people and a standing army of about 6,000, would not stand a chance in a conventional war with Russia. But two armies fighting on an open field is not Estonia's plan, and was not even before Donald J. Trump, the Republican presidential candidate, said European members of NATO should not count on American support unless they pay more alliance costs.
Since the Ukraine war, Estonia has stepped up training for members of the Estonian Defense League, teaching them how to become insurgents, right down to the making of improvised explosive devices, or I.E.D.s, the weapons that
plagued the American military in Iraq and Afghanistan.
Another response to tensions with Russia is the expansion of a program encouraging Estonians to keep firearms in their homes.
Of the top four nations in the world for private gun ownership — the United States, Yemen, Switzerland and Finland — the No. 3 and 4 spots belong to small nations with a minutemen-style civilian call-up as a defense strategy or with a history of partisan war.
“The best deterrent is not only armed soldiers, but armed citizens, too,” Brig. Gen. Meelis Kiili, the commander of the Estonian Defense League, said in an interview in Tallinn, the capital.
The number of firearms, mostly Swedish-made AK-4 automatic rifles, that Estonia has dispersed among its populace is classified. But the league said it had stepped up the pace of the program since the Ukraine crisis began. Under the program, members must hide the weapons and ammunition, perhaps in a safe built into a wall or buried in the backyard.
The Estonian government says that ignores Article 3, which stipulates that each member should also prepare for individual defense. But skeptics cite another reason: fears that the United States and Europe might not have the stomach for a confrontation with Russia, even though they are currently
building up their military presence in the Baltics. That would leave Estonia to fend for itself.